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England · Local authority

Welwyn Hatfield planning applications

PlanningTrack collects planning applications and decisions from the public planning register of Welwyn Hatfield Borough Council. Search an address, application reference or proposal. Official Welwyn Hatfield website

Collected application statistics

Collected records · All available dates
40,229Searchable applications
309Recorded as pending
86%Approval rate · 33,738 approved or refused records
4,810Refused applications

28,928 approved · 4,810 refused · 2,212 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 5 Nov 2026. Counts reflect the last collected status; some records may be out of date.

Local planning information

Council sources checked 14 Sept 2026
Planning information Planning and buildingLocal plan Our Local PlanPre-application advice Pre-application advice (planning applications)Conservation areas Schedule of properties removed from the Welwyn Conservation AreaArticle 4 directions Article 4 Directions

Conservation areas and Article 4 directions

Explore published planning boundaries and follow their source records for designation details. Coverage varies: an empty map does not mean there are no restrictions. Check the council’s current maps and documents before relying on a boundary.

Conservation areas9 mapped area records
Article 4 direction areasNo boundary records available in this collection

Interactive planning map loads with JavaScript. Dataset sources are linked below.

Download Article 4 coverage for all authorities (CSV)

Data downloaded 14 Sept 2026. Display boundaries are simplified and indicative. Map record counts are not a complete count of designations or directions.

Sources: Planning Data conservation areas and Article 4 direction areas. Contains public sector information licensed under the Open Government Licence v3.0.

More application records

  1. Decided - Granted6/2019/0533/HOUSE

    Erection of first floor rear extension and alterations to openings

    56 Carve Ley Welwyn Garden City AL7 3HH

    Received 8 Mar 2019
  2. Decided - Granted6/2018/1416/EM

    Fell 1 x Weeping Willow tree

    45 Dawley Welwyn Garden City AL7 1EA

    Received 29 May 2018
  3. Decided - Granted6/2025/1706/HOUSE

    Erection of a single storey rear extension following demolition of conservatory

    59 Woodhall Lane Welwyn Garden City AL7 3TG

    Received 8 Aug 2025
  4. Decided - Granted6/2024/2242/EM

    Replacement of the existing polycarbonate roof of conservatory with a new lightweight tiled effect slate roof

    75 Knightsfield Welwyn Garden City AL8 7JE

    Received 21 Nov 2024
  5. Decided - Granted6/2024/0108/EMT

    Crown lift Ash tree to 4m, strip ivy from the tree and cut back vegetation from the garages to prevent foreseeable damage occurring

    2 Dawley Welwyn Garden City AL7 1DZ

    Received 15 Jan 2024
  6. Decided - Granted6/2024/0144/EM

    Erection of part two storey & single storey rear extension, proposed porch & fenestration works

    5 Scotts View Welwyn Garden City AL8 6HF

    Received 25 Jan 2024
  7. Decided - Refused6/2019/0481/LAWP

    Certificate of lawfulness for the erection of front porch extension, single storey side extension and double storey rear extension, windows in existing front and rear elevations, removal of existing rear chimney and drains as existing to public sewer

    12 Longlands Road Welwyn Garden City AL7 3QB

    Received 4 Mar 2019
  8. Decided - Granted6/2017/1008/FULL

    Erection of a single storey extension to the Materials Assessment Centre (MAC) building including associated ancillary works and partial demolition of existing.

    University of Hertfordshire College Lane Campus College Lane Hatfield AL10 9AB

    Received 10 May 2017
  9. Decided - WithdrawnS6/2009/2456/FP

    ERECTION OF CONSERVATORY

    39 Kentish Lane, Hatfield, AL9 6NG

    Received 2 Nov 2009
  10. Decided - RefusedN6/2008/0108/FP

    ERECTION OF FIRST FLOOR SIDE EXTENSION ABOVE EXISTING GARAGE

    37 Harmer Green Lane Digswell Welwyn AL6 0AS

    Received 21 Jan 2008
  11. Decided - Granted6/2018/3261/EM

    Erection of single storey rear, first floor side extension and formation of driveway

    34 Longcroft Lane Welwyn Garden City AL8 6EA

    Received 21 Dec 2018
  12. Decided - Granted6/2023/2311/EMT

    1 x Black Locust - reduce by 2.5m height & 2m width and lift over footpath by 4m above ground level to maintain the size of the tree & shape

    38 Kirklands Welwyn Garden City AL8 7RD

    Received 15 Nov 2023
  13. Decided - GrantedC6/1988/7028/AD

    Illuminated fascia and projecting signs.

    Howardsgate, Welwyn Garden City, AL8 6AT

    Received 1 Jan 1988
  14. Decided - Refused6/2018/1965/EM

    Relocation of front door, erection of porch, alterations to elevations and removal of front hedge

    11 Lady Grove Welwyn Garden City AL7 4DS

    Received 26 Jul 2018
  15. Decided6/2024/0354/TC

    1 x Silver Birch to fell to ground level 1 x Silver birch to reduce by 2m height and 1.2m width

    40 Elmwood Welwyn Garden City AL8 6LE

    Received 23 Feb 2024
  16. Decided - Granted6/2025/1511/LAWP

    Certificate of lawfulness for the repositioning of the front entrance door, proposed new ground floor side window and side gate

    24 Cherry Croft Welwyn Garden City AL8 7QU

    Received 11 Jul 2025
  17. Decided - Granted6/2025/0195/PN19

    Prior approval for the erection of new farm building for storage of hay and agricultural machinery

    Thorntons Farm Vineyards Road Northaw Potters Bar EN6 4PF

    Received 5 Feb 2025
  18. Decided - Refused6/2020/2655/HOUSE

    Erection of single storey side extension, entrance porch and part single part two storey rear extension, with associated alterations to openings, following demolition of existing side extension and porch.

    52 Attimore Road Welwyn Garden City AL8 6LP

    Received 13 Oct 2020
  19. Decided - Granted6/2018/2767/EIA

    Redevelopment of high view neighbourhood centre to provide 148 residential dwellings,19 retail units, doctors surgery, leap play space, new public realm including a new street, landscaping and associated works

    High View Hatfield AL10

    Received 26 Oct 2018
  20. Decided - Granted6/2023/1847/HOUSE

    Resiting of dropped kerb

    13 East Ridgeway Cuffley Potters Bar EN6 4AW

    Received 5 Sept 2023
  21. Decided - Granted6/2026/0977/EMT

    Reduce the yew tree by 30-35%.

    7 Fern Grove Welwyn Garden City AL8 7ND

    Received 3 Jun 2026
  22. Decided - Withdrawn6/2023/0132/EM

    Erection of part single & part two storey rear extension, roof extension & alterations to openings

    30 Barleycroft Road Welwyn Garden City AL8 6JU

    Received 18 Jan 2023
  23. Decided - Granted6/2018/2554/COND

    Submission of details pursuant to condition 8 (Mortar) on Listed Building Consent 6/2017/2746/LB

    Ramada Hatfield St Albans Road West Hatfield AL10 9RH

    Received 4 Oct 2018
  24. Decided - Granted6/2018/3254/COND

    Submission of details pursuant to condition 3 (Archaeological Written Scheme of Investigation) on planning permission 6/2017/2972/FULL

    Stanborough School Lemsford Lane Welwyn Garden City AL8 6YR

    Received 20 Dec 2018

Records are ordered by application ID, not submission date. Use search to find a particular address or proposal.

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Researching a proposal in Welwyn Hatfield Borough Council

Start with the address or application reference. Open a record to read the proposal, dates and available documents, then check the official register for the latest plans and consultation details. If nothing appears, check coverage before treating the result as a complete planning history.

How to search planning applications

Guides to planning records

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    Planning approval rates: how to read council statistics

    Understand planning approval rates with an interactive calculator, worked examples and comparison table. Check sample sizes, outcomes and coverage before comparing.

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What these statistics cover

These figures describe applications collected by PlanningTrack for Welwyn Hatfield Borough Council, across all dates currently available. They are a partial dataset, rather than an authority-wide performance measure. The date range does not establish continuous historical coverage.

The approval percentage is approved records divided by approved plus refused records. Pending, withdrawn and unknown outcomes are excluded. No percentage is shown until there is an approved or refused record.

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